Trapezius

to feel the middle fibers of the trapezius contract, you could ask your prone partner to perform what action?

"bring your shoulder up off the table"

contraction of the lower fibers of the trapezius create which movement?

depression of the scapula

bilateral contraction of the upper fibers of the trapezius will create what movement of the head and neck?

extension

what is the origin of the trapezius?

external occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae and spinous processes of C-7 through T-12

what is the insertion of the trapezius?

lateral one-third of clavicle, acromion and spine of the scapula

asking your prone partner to hold his arms in front of him like superman is a good way to feel the contraction of which part of the trapezius?

lower fibers

which movement occur when the upper fibers of the trapezius are unilaterally contracted?

rotation of the head and neck to the opposite side

which movement of the head and neck would shorten the upper fibers of the trapezius on the right side of the body?

rotation to the left

which portion of the trapezius muscle elevates the scapula?

upper fibers

what is an action of the trapezius?

upwardly rotate the scapula